little compat changes
new cont_str discovery logic
remove special contstr handling of external links
added meta operations, user operations, and tests
Merge branch 'master' of github.com:mahmoud/wapiti
Merge pull request #3 from slaporte/master

few random operations
bunch of small cleanups for new operation model
tweak coord query field behavior
get api_url/source from client, when available
added GetUserContribRevisionInfos and tests
resolving merge conflicts